/**
 * SpringUtils.java
 * Created at 2018-2-1
 * Created by zhanghailin
 * Copyright (C) 2018 BROADTEXT SOFTWARE, All rights reserved.
 */
package com.wisdytech.common.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * <p>ClassName: SpringUtils</p>
 * <p>Description: 普通类调用Spring bean对象</p>
 * <p>Author: zhanghailin</p>
 * <p>Date: 2018-2-1</p>
 */
@Component
public class SpringUtils implements ApplicationContextAware {


    private static ApplicationContext applicationContext = null;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
       if(SpringUtils.applicationContext == null){
           SpringUtils.applicationContext  = applicationContext;
       }
       System.out.println("---------------------------------------------------------------------");
       System.out.println("---------------------------------------------------------------------");
       System.out.println("---------------com.wisdytech.common.utils.SpringUtils------------------------------------------------------");
       System.out.println("========ApplicationContext配置成功,在普通类可以通过调用SpringUtils.getAppContext()获取applicationContext对象,applicationContext="+SpringUtils.applicationContext+"========");
       System.out.println("---------------------------------------------------------------------");
    }
   
    //获取applicationContext
    public static ApplicationContext getApplicationContext() {
       return applicationContext;
    }
   
    //通过name获取 Bean.
    public static Object getBean(String name){
       return getApplicationContext().getBean(name);
    }
   
    //通过class获取Bean.
    public static <T> T getBean(Class<T> clazz){
       return getApplicationContext().getBean(clazz);
    }
   
    //通过name,以及Clazz返回指定的Bean
    public static <T> T getBean(String name,Class<T> clazz){
       return getApplicationContext().getBean(name, clazz);
    }

}
